Why it works: Ginger and clove match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 6,038 recipes mention both. Both carry estragole, which smells anise, licorice. The science ↓
Tomato Sauce
Ingredients
Directions
Prepare
Skin the tomatoes and onions, then slice them.
Boil the sliced tomatoes and onions with the cloves until soft, stirring well.
Press the mixture through a colander.
Make the sauce
Add the remaining ingredients.
Boil for about 1 hour until the sauce reaches the right consistency, stirring well with a wooden spoon.
Cool and bottle
Pour the sauce into an earthenware dish and let it cool.
Bottle the sauce when cold and cork it well.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Ginger + clovetop 1% of all pairsAroma overlapstrongMentioned together6,038 recipes
Shared aroma: estragole (anise, licorice).
-
Garlic + oniontop 1% of all pairsAroma overlapstrongMentioned together29,058 recipes
Shared aroma: furaneol (caramel, strawberry).
-
Tomato + garlictop 3% of all pairsAroma overlapmoderateMentioned together14,076 recipes
Shared aroma: furaneol (caramel, strawberry).
-
Pepper + clovetop 5% of all pairsAroma overlapstrongMentioned together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Garlic + gingertop 6% of all pairsAroma overlapmoderateMentioned together6,402 recipes
Shared aroma: beta-phellandrene (minty, terpene).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Provide the main body and liquid that cooks down into the sauce.
- Onions
- Add savory depth and body as they soften during boiling.
- Sugar
- Adds sweetness that balances the acidity of the vinegar and tomatoes.
- Vinegar
- Adds acidity that sharpens flavor and helps preserve the sauce.
- Garlic
- Contributes pungent aroma and savory flavor.
The step that matters
Boil until the right consistency. Sauce thickens as water evaporates during boiling, so stopping too early leaves it thin and stopping too late makes it overly thick. Stirring well prevents scorching on the bottom of the pan.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (tomato, garlic, ginger, pepper, clove, sugar, vinegar):
- Capsicumbetter flavor fit
- Eggplantbetter flavor fit
- Cucumberbetter flavor fit
- Onionthe original
Fit is the average pairing score against tomato, garlic, ginger, pepper, clove, sugar, vinegar. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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